TW205128B - - Google Patents

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Publication number
TW205128B
TW205128B TW080106559A TW80106559A TW205128B TW 205128 B TW205128 B TW 205128B TW 080106559 A TW080106559 A TW 080106559A TW 80106559 A TW80106559 A TW 80106559A TW 205128 B TW205128 B TW 205128B
Authority
TW
Taiwan
Prior art keywords
film
sound
wave
diaphragm
item
Prior art date
Application number
TW080106559A
Other languages
English (en)
Chinese (zh)
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of TW205128B publication Critical patent/TW205128B/zh

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87Combinations of sonar systems
    • G01S15/876Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/93Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521Constructional features
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341Circuits therefor
    • G10K11/346Circuits therefor using phase variation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00Cones, diaphragms, or the like, for emitting or receiving sound in general
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • G10K9/125Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means with a plurality of active elements
TW080106559A 1990-08-04 1991-08-19 TW205128B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4024791 1990-08-04
DE4120681A DE4120681A1 (de) 1990-08-04 1991-06-22 Ultraschallwandler

Publications (1)

Publication Number Publication Date
TW205128B true TW205128B (de) 1993-05-01

Family

ID=25895646

Family Applications (1)

Application Number Title Priority Date Filing Date
TW080106559A TW205128B (de) 1990-08-04 1991-08-19

Country Status (5)

Country Link
US (1) US5446332A (de)
EP (1) EP0507892B1 (de)
DE (2) DE4120681A1 (de)
TW (1) TW205128B (de)
WO (1) WO1992002795A2 (de)

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DE19614885C1 (de) * 1996-04-16 1997-09-04 Bosch Gmbh Robert Sensor zum Senden und/oder Empfangen akustischer Signale
JPH10294995A (ja) * 1997-04-21 1998-11-04 Matsushita Electric Ind Co Ltd 防滴型超音波送信器
DE19727877A1 (de) * 1997-06-30 1999-01-07 Bosch Gmbh Robert Ultraschallwandler
TW345132U (en) * 1998-03-26 1998-11-11 shi-xiong Li Improved structure for sensor of car backing radar
US6250162B1 (en) * 1998-04-24 2001-06-26 Murata Manufacturing Co., Ltd. Ultrasonic sensor
EP1001653B1 (de) * 1998-11-02 2008-07-16 Matsushita Electric Industrial Co., Ltd. Piezoelektrischer Lautsprecher
US6370086B2 (en) * 1999-03-15 2002-04-09 Shih-Hsiung Li Ultrasound sensor for distance measurement
JP3324593B2 (ja) * 1999-10-28 2002-09-17 株式会社村田製作所 超音波振動装置
DE10009129A1 (de) * 2000-02-26 2001-08-30 Volkswagen Ag Ultraschallsensor
JP3501100B2 (ja) * 2000-05-15 2004-02-23 株式会社村田製作所 超音波送受波器
JP3706903B2 (ja) 2000-08-10 2005-10-19 独立行政法人産業技術総合研究所 フレキシブル高感度セラミックスセンサー
EP1202249A1 (de) * 2000-10-26 2002-05-02 Imra Europe S.A. Wasserdichte Wandler für Halbwellenwandleranordnung
DE10159679A1 (de) * 2001-11-30 2003-06-12 Valeo Schalter & Sensoren Gmbh Ultraschallsensoreinheit und Verfahren zur Herstellung
JP3944052B2 (ja) * 2001-12-27 2007-07-11 株式会社デンソー 超音波送受波器及びこれを用いた超音波クリアランスソナー
DE10316946A1 (de) * 2003-04-12 2004-10-21 Daimlerchrysler Ag Vorrichtung und Verfahren zur Dämpfung von Druckschwingungen in Hydraulikleitungen
DE10361316B4 (de) * 2003-12-19 2015-08-27 Valeo Schalter Und Sensoren Gmbh Ultraschallwandlervorrichtung
JP2006203563A (ja) * 2005-01-20 2006-08-03 Nippon Soken Inc 超音波センサ
DE102005042596A1 (de) * 2005-09-07 2007-04-26 Siemens Ag Ultraschallschwingungswandler
KR101065896B1 (ko) * 2005-09-09 2011-09-19 가부시키가이샤 무라타 세이사쿠쇼 초음파 센서
US8319396B2 (en) * 2005-12-27 2012-11-27 Nec Corporation Piezo-electric actuator and electronic device
JP4766112B2 (ja) * 2006-03-06 2011-09-07 株式会社村田製作所 超音波センサおよびその製造方法
DE102006041975A1 (de) * 2006-09-07 2008-03-27 Hella Kgaa Hueck & Co. Ultraschallsensor und Verfahren zur Herstellung eines Ultraschallsensors
EP1906383B1 (de) 2006-09-29 2013-11-13 Tung Thih Electronic Co., Ltd. Ultraschallgerät-Sende-/Empfangsvorrichtung
DE102006050037A1 (de) 2006-10-24 2008-04-30 Robert Bosch Gmbh Ultraschallwandler
DE102008040905A1 (de) * 2008-07-31 2010-02-04 Robert Bosch Gmbh Ultraschallsensor
US20120245466A1 (en) * 2011-03-25 2012-09-27 Infosys Technologies, Ltd. Method and system for capturing medical imaging data
TWI440831B (zh) * 2011-04-27 2014-06-11 Tung Thih Electronic Co Ltd Ultrasonic sensor
DE102012100032B4 (de) * 2012-01-03 2016-04-07 Dr. Raubenheimer GmbH Wasserreinigungssystem und Verfahren zur Behandlung von Wasser
DE102012205996A1 (de) * 2012-04-12 2013-10-17 Robert Bosch Gmbh Sensoranordnung und Verfahren zur Umfelderfassung eines Fahrzeugs
DE102015110776A1 (de) * 2015-07-03 2017-01-05 Valeo Schalter Und Sensoren Gmbh Ultraschallsensorvorrichtung für ein Kraftfahrzeug mit zwei Piezoelementen, Fahrerassistenzsystem, Kraftfahrzeug sowie Verfahren
DE102015217778B4 (de) 2015-09-17 2019-05-29 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
WO2017059837A1 (de) * 2015-10-09 2017-04-13 Microsonic Gmbh Sensor mit monolithischen ultraschallarray
JP6752427B2 (ja) * 2016-05-09 2020-09-09 日本セラミック株式会社 パラメトリックスピーカ
DE102016123414A1 (de) 2016-12-05 2018-06-07 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor für ein Kraftfahrzeug mit einem akustischen Koppelelement, Ultraschallsensoranordnung, Kraftfahrzeug und Verfahren
DE102017205376A1 (de) * 2017-03-30 2018-10-04 Robert Bosch Gmbh Schallwandler
DE102017127587A1 (de) * 2017-11-22 2019-05-23 Valeo Schalter Und Sensoren Gmbh Anordnung für ein Kraftfahrzeug mit einem Ultraschallsensor und mit einem Dämpfungselement, welches Armierungselemente aufweist sowie Vorrichtung

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US3786202A (en) * 1972-04-10 1974-01-15 Motorola Inc Acoustic transducer including piezoelectric driving element
US3873947A (en) * 1974-04-22 1975-03-25 Rockwell International Corp Multiple frequency flexure-mode resonator
US3943388A (en) * 1974-06-27 1976-03-09 Fred M. Dellorfano, Jr. Electroacoustic transducer of the flexural vibrating diaphragm type
FR2419642A1 (fr) * 1978-03-09 1979-10-05 Chauveau Didier Haut-parleur piezo-electrique multi-elements
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Also Published As

Publication number Publication date
WO1992002795A2 (de) 1992-02-20
EP0507892B1 (de) 1996-10-09
WO1992002795A3 (de) 1992-08-06
US5446332A (en) 1995-08-29
DE4120681A1 (de) 1992-02-06
DE59108268D1 (de) 1996-11-14
EP0507892A1 (de) 1992-10-14

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